Matches in Library of Congress for { ?s ?p 1981. }
- 80026150 date "1981".
- 80026151 date "1981".
- 80026152 date "1981".
- 80026153%2F%2Fr86 date "1981".
- 80026154%2F%2Fr89 date "1981".
- 80026155%2F%2Fr89 date "1981".
- 80026156%2F%2Fr86 date "1981".
- 80026157 date "1981".
- 80026158%2F%2Fr98 date "1981".
- 80026159 date "1981".
- 80026160%2F%2Fr923 date "1981".
- 80026161 date "1981".
- 80026162%2F%2Fr89 date "1981".
- 80026165%2F%2Fr84 date "1981".
- 80026166%2F%2Fr94 date "1981".
- 80026167%2F%2Fr83 date "1981".
- 80026168 date "1981".
- 80026169 date "1981".
- 80026170%2F%2Fr85 date "1981".
- 80026171 date "1981".
- 80026172 date "1981".
- 80026173 date "1981".
- 80026174 date "1981".
- 80026176%2F%2Fr852 date "1981".
- 80026177%2F%2Fr84 date "1981".
- 80026179%2F%2Fr86 date "1981".
- 80026180 date "1981".
- 80026181%2F%2Fr903 date "1981".
- 80026182%2F%2Fr87 date "1981".
- 80026183%2F%2Fr83 date "1981".
- 80026185 date "1981".
- 80026187 date "1981".
- 80026188%2F%2Fr872 date "1981".
- 80026189 date "1981".
- 80026190 date "1981".
- 80026191%2F%2Fr832 date "1981".
- 80026193 date "1981".
- 80026195%2F%2Fr82 date "1981".
- 80026196 date "1981".
- 80026197 date "1981".
- 80026198%2F%2Fr93 date "1981".
- 80026199%2F%2Fr853 date "1981".
- 80026201 date "1981".
- 80026202%2F%2Fr973 date "1981".
- 80026203 date "1981".
- 80026204%2F%2Fr962 date "1981".
- 80026205 date "1981".
- 80026206%2F%2Fr84 date "1981".
- 80026207 date "1981".
- 80026208 date "1981".
- 80026209 date "1981".
- 80026210 date "1981".
- 80026212%2F%2Fr85 date "1981".
- 80026214 date "1981".
- 80026215 date "1981".
- 80026216 date "1981".
- 80026218%2F%2Fr85 date "1981".
- 80026219%2F%2Fr93 date "1981".
- 80026220 date "1981".
- 80026222 date "1981".
- 80026223 date "1981".
- 80026224 date "1981".
- 80026225%2F%2Fr83 date "1981".
- 80026227%2F%2Fr85 date "1981".
- 80026228 date "1981".
- 80026229 date "1981".
- 80026231%2F%2Fr84 date "1981".
- 80026233%2F%2Fr962 date "1981".
- 80026234%2F%2Fr94 date "1981".
- 80026236 date "1981".
- 80026237 date "1981".
- 80026238%2F%2Fr832 date "1981".
- 80026239 date "1981".
- 80026242 date "1981".
- 80026243 date "1981".
- 80026244 date "1981".
- 80026245%2F%2Fr84 date "1981".
- 80026246 date "1981".
- 80026247 date "1981".
- 80026248 date "1981".
- 80026249 date "1981".
- 80026250%2F%2Fr82 date "1981".
- 80026251 date "1981".
- 80026252 date "1981".
- 80026253 date "1981".
- 80026255%2F%2Fr902 date "1981".
- 80026256 date "1981".
- 80026258 date "1981".
- 80026259%2F%2Fr92 date "1981".
- 80026260 date "1981".
- 80026261%2F%2Fr92 date "1981".
- 80026263 date "1981".
- 80026264%2F%2Fr90 date "1981".
- 80026265 date "1981".
- 80026266 date "1981".
- 80026268 date "1981".
- 80026269%2F%2Fr944 date "1981".
- 80026270 date "1981".
- 80026271%2F%2Fr973 date "1981".
- 80026272 date "1981".